What liability falls on me, the landlord, if there are animals living in my units? 

Lot of things can go wrong and cud eat your capital.

If I put more debt on the house it will eat away at my cash flow, so I'd rather find an equity investor looking for appreciation.

When you BRRR a property, since you can get ones that are in really rough shape and need to be rehabbed, can you deduct and depreciate those expenses off your taxes or do you just eat the expense?  

Many investors are eating cash-flow with 20% or less down. 

These can bring significant revenue.lease of any equine / animal pens?

I would not rent to them because next they’ll be having sex with animals and and before you know it ,there will be a whole house full of dogs.

If you don’t have the money to pay all of it use the difficulty of collecting to work out a payment plan.I am not saying you should make a habit of pulling a trump on contractors, but there is a reason when tenants trash houses everyone here says take the security deposit and eat the rest—it’s a pita to collect.

I work with a bunch of different lenders, so I try to give advice that has the broadest possible application, since we don't always know who the lender will be on the N+1 deal two years from now.So my suggestion to you, to have your cake and eat it too, for that SFR that you want to rent by the room to maximize rent: have one lease, one tenant.... and that one tenant is allowed to sublet.

Most of my renters eat together in the living room in front of the TV, or they may eat breakfast at a kitchen counter.